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Author : International Astronomical Union. Symposium
Publisher : Cambridge University Press
Page : 481 pages
File Size : 49,8 Mb
Release : 2018-09-13
Category : Science
ISBN : 9781107192454
Summarizes state of the art observations and theories pertaining to astrophysical masers and their environments, for graduate students and researchers.
Author : International Astronomical Union. Symposium
Publisher : Cambridge University Press
Page : 564 pages
File Size : 42,9 Mb
Release : 2008-02-14
Category : Nature
ISBN : 0521874645
Astrophysical masers, naturally occurring microwave and radio-wave emissions, provide an important tool to investigate astrophysical environments. Several thousand maser sources have been observed in the interstellar medium and star formation regions, in the expanding winds from evolved stars, in the compressed shells of supernovae remnants, in comets and in the centers of galaxies. Masers are also useful for studying the structure and dynamics of our own galaxy, while masers in other galaxies are now used for cosmological studies and studies of galactic nuclei. This volume contains the latest research on the topic as presented at IAU Symposium 242, only the third international symposium on astrophysical masers. Over 125 astronomers from 18 different countries gathered in Alice Spring, Australia, for discussions on maser research.
Author : Tomoya Hirota,Hiroshi Imai,Ylva Pihlström,Karl Menten
Publisher : Cambridge University Press
Page : 0 pages
File Size : 41,6 Mb
Release : 2024-01-31
Category : Science
ISBN : 100939892X
Cosmic masers have been employed as unique probes of various astronomical objects and environments, ranging from newly born stars and evolved stars, the interstellar medium to active galactic nuclei. The maser scientific community is diverse and multidisciplinary but has long been tied together through the common background of physics and observational techniques. Time-domain studies from daily to decade-long monitoring of maser sources are also in progress with various telescopes from many different research teams in the world. Multiwavelength studies on maser sources have also proliferated, involving strong synergies with large facilities such as ALMA, JVLA, Gaia, and various VLBI networks. This volume gives a comprehensive, up-to-date review of cosmic masers as presented at IAU Symposium 380, the sixth international maser symposium. It also describes intensive discussion about ongoing and future projects relevant to maser science, such as global and new regional VLBI networks, SKA, and ngVLA.
Author : Roy S. Booth,Wouter H. T. Vlemmings,Elizabeth M. L. Humphreys
Publisher : Cambridge University Press
Page : 536 pages
File Size : 54,5 Mb
Release : 2012-08-15
Category : Science
ISBN : 1107032849
Cosmic masers, naturally occurring amplifiers of microwave emission from atoms and molecules in the Milky Way and other galaxies, provide important tools to investigate astrophysical environments. The first, Hydroxyl (OH) masers were discovered in 1965 and since that time several thousand sources of maser emission, from a variety of cosmic molecules have been discovered and studied. Because this natural emission occurs at discrete frequencies, which depend upon specific atomic or molecular transitions, masers are also useful for studying the structure and dynamics of our own galaxy. Masers in other galaxies are now used for cosmological studies of the dynamics of massive black holes in galactic nuclei and to directly measure the Hubble constant, H0. This volume contains a comprehensive, up-to-date review of cosmic masers, their nature, sources, environments and uses, as presented at IAU Symposium 287, the fourth international symposium on cosmic masers.
Author : M. E. Bailey,D. A. Williams
Publisher : CUP Archive
Page : 632 pages
File Size : 51,6 Mb
Release : 1988-12-15
Category : Science
ISBN : 052135580X
Author : J. Trujillo-Bueno,F. Moreno-Insertis,F. Sanchez
Publisher : Cambridge University Press
Page : 372 pages
File Size : 47,5 Mb
Release : 2002
Category : Science
ISBN : 9780521809986
The polarization of light is the key to obtaining a wealth of essential information that lies encoded in the electromagnetic radiation from cosmic objects. Spectropolarimetry and imaging polarimetry provide powerful diagnostics of the physical conditions in astrophysical plasmas, which cannot be obtained via conventional spectroscopy. Whilst its application to other fields of astrophysics is still at an early stage of development, spectropolarimetry is being used with great success in solar physics. The book contains the lectures delivered at the XII Canary Islands Winter School of Astrophysics. Written by eight prestigious astrophysics researchers, it covers the physics of polarization, polarized radiation diagnostics of solar magnetic fields, stellar magnetic fields, polarization insights for active galactic nuclei, compact objects and accretion disks, astronomical masers and their polarization, infrared-submillimeter spectropolarimetry, and instrumentation for astrophysical spectropolarimetry. This timely volume will provide graduate students and researchers with an unprecedented introduction to the field of Astrophysical Spectropolarimetry.
Author : A. G. G. M. Tielens
Publisher : Cambridge University Press
Page : 667 pages
File Size : 46,6 Mb
Release : 2021-02-04
Category : Science
ISBN : 9781107169289
Ideal for advanced students, this comprehensive overview of molecular astrophysics bridges physics, astronomy, and physical chemistry.
Author : International Astronomical Union. Symposium
Publisher : Unknown
Page : 361 pages
File Size : 44,8 Mb
Release : 2017
Category : Black holes (Astronomy)
ISBN : OCLC:1005081772
Black holes lie at the heart of some of the most fascinating astrophysical phenomena. IAU symposium 324 marked the 100th anniversary of Schwarzchild's solution of Einstein's field equations predicting the existence of black holes. Our understanding of black holes has come an impressively long way since then, with the last major discovery being coalescing black holes producing gravitational waves, also predicted in 1916. In this volume, observational and theoretical experts discuss the current state-of-the-art in the astrophysics of black hole systems and their exploitation in testing fundamental theories of physics. Topics span a wide range and include: a historical review, the similarity and diversty of black hole systems, gamma ray bursts, tidal disruption events, active galactic nuclei, black hole systems as multi-messeger sources, and the opening of new observational horizons.
Author : Anonim
Publisher : Unknown
Page : 128 pages
File Size : 44,7 Mb
Release : 2015
Category : Astronomy
ISBN : 1909204714
Author : Karel A. van der Hucht
Publisher : Cambridge University Press
Page : 488 pages
File Size : 41,7 Mb
Release : 2009-03-23
Category : Science
ISBN : 0521856051
The Transactions XXVIIA Reports on Astronomy 2006-2009 provides a comprehensive and authoritative review of what has been achieved in astronomy during the years 2006 to 2009. These insightful and up-to-date reviews have been written by the presidents and chairpersons of the IAU scientific bodies: the Divisions, the Commissions, and the Working Groups. Topics covered in this wide-ranging volume include: fundamental astronomy; the Sun and heliosphere; planetary sciences; stars; variable stars; interstellar matter; the Galactic system; galaxies and the Universe; optical and infrared techniques; radio astronomy; space and high-energy astrophysics; and other IAU activities. The reviews have been written at a level suitable for colleagues in the same fields, but will also be useful for students and researchers wishing to gain an overview of astronomical fields beyond their own research area.
Author : Alak Ray,Richard A. McCray
Publisher : Cambridge University Press
Page : 0 pages
File Size : 52,5 Mb
Release : 2014-02-27
Category : Science
ISBN : 1107044774
New telescopes spanning the full electromagnetic spectrum have enabled the study of supernovae (SNe) and supernova remnants (SNRs) to advance at a breathtaking pace. Automated synoptic surveys have increased the detection rate of supernovae by more than an order of magnitude and have led to the discovery of highly unusual supernovae. Observations of gamma-ray emission from SNRs with ground-based Cherenkov telescopes and the Fermi telescope have spawned new insights into particle acceleration in supernova shocks. Far-infrared observations from the Spitzer and Herschel observatories have told us much about the properties and fate of dust grains in SNe and SNRs. Work with satellite-borne Chandra and XMM-Newton telescopes and ground-based radio and optical telescopes reveal signatures of supernova interaction with their surrounding medium, their progenitor life history and of the ecosystems of their host galaxies. IAU Symposium 296 covers all these advances, focusing on the interactions of supernovae with their environments.
Author : Henry Louis Gates
Publisher : Penguin
Page : 545 pages
File Size : 43,8 Mb
Release : 1990-10-30
Category : Literary Criticism
ISBN : 9780452010451
A unique and comprehensive collection of 26 literary essays that explore the rich cultural history of black women in America. Black women’s writing has finally emerged as one of the most dynamic fields of American literature. Here, leading literary critics—both male and female, black and white—look at fiction, nonfiction, poetry, slave narratives, and autobiographies in a totally new way. In essence, they reconstruct a literary history that documents black women as artists, intellectuals, symbol makers, teachers, and survivors. Important writers whose work and lives are explored include Toni Morrison, Gloria Gaynor, Maya Angelou, and Alice Walker, and the fascinating list of essays range from Nellie Y. McKay’s “The Souls of Black Women Folk in the Writings of W. E. B. Du Bois” to Jewelle L Gomez’s very personal tribute to Lorraine Hansberry as a dramatist and crusader for social justice. Henry Louis Gates Jr., the editor of this anthology and a noted authority on African-American literature, has provided a thought-provoking introduction that celebrates the experience of “reading black, reading feminist.” A penetrating look at women’s writing from a unique perspective, this superb collection brings to light the rich heritage of literary creativity among African-American women. “Why is the fugitive slave, the fiery orator, the political activist, the abolitionist always represented as a black man? How does the heroic voice and heroic image of the black woman get suppressed in a culture that depended on her heroism for survival?”—Mary Helen Washington, from her essay in Reading Black, Reading Feminist
Author : Lester Del Rey
Publisher : Unknown
Page : 356 pages
File Size : 42,9 Mb
Release : 1976-07-12
Category : Fiction
ISBN : 034525063X
Author : Nicholas H. Brummell,A. Sacha Brun,Mark S. Miesch,Yannick Ponty
Publisher : Cambridge University Press
Page : 432 pages
File Size : 41,6 Mb
Release : 2011-09-01
Category : Science
ISBN : 0521197392
IAU Symposium 271 enhances our understanding of some of the important dynamical processes that are ubiquitous in many objects in the Universe, from stars like our Sun to galaxies. A wide range of temporal and spatial scales are generally present, so instabilities, highly nonlinear states and turbulence play a central role. Today, understanding the behaviour and evolution of such systems requires high-accuracy, multi-scale observations and thoughtful analysis of the data gathered, coupled with detailed theoretical study. High-performance numerical simulations have become an essential and revealing tool for assessing the often subtle highly nonlinear regime of such models. In IAU S271 world experts share their knowledge and perspectives on the latest advances in studying the common underlying processes from the field of nonlinear astrophysical dynamics. The symposium also celebrates the long and illustrious career of Professor Juri Toomre and his achievements in many realms of astrophysical dynamics.
Author : Walter Swaysland
Publisher : Unknown
Page : 690 pages
File Size : 48,8 Mb
Release : 1883
Category : Electronic
ISBN : OXFORD:600030719
